Home / 27,420.42-41,154.63-13,390.82

Finding the Fourth Proportional to 27,420.42, 41,154.63 and 13,390.82

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Solution

The fourth proportional to 27,420.42, 41,154.63 and 13,390.82 is: 20,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.42 : 41,154.63 = 13,390.82 : x
  2. Step 2: Convert to fraction form
    27,420.42/41,154.63 = 13,390.82/x
  3. Step 3: Cross multiply
    27,420.42x = 41,154.63 × 13,390.82
  4. Step 4: Simplify right side
    27,420.42x = 551,093,969.77
  5. Step 5: Solve for x
    x = 551,093,969.77/27,420.42
  6. Step 6: Final answer
    x = 20,097.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.